Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6738964 | Graphical development system and method | Edmund Dawes Zink, Edward P. Kuzemchak, John L. Tibbits | 2004-05-18 |
| 4853955 | Apparatus and method for providing existing telephone switching equipment with the capability of using the SS7 protocol | David Thorn, Rajendra Patel, Ashok Trivedi, Girish Patel | 1989-08-01 |
| 4782519 | Method and apparatus for enhancing the operating capabilities of a telephone switching system | Rajendra Patel, Kenneth A. Lauffenburger, David Thorn, Donald D. Binford, Jr., Zye K. Cheng +2 more | 1988-11-01 |